| Engine | 4-Cyl. In line |
| Crankshaft | Five main bearings |
| Bore x Stroke | 87.67mm x 66mm (3.45in x 2.60in) |
| Capacity | 1593cc (97.2 cu in) |
| Valves | Overhead camshaft |
| Compression ratio | 9.2 : 1 |
| Fuel system | Single Motorcraft GPD carburettor |
| Maximum power | 72bhp at 5500rpm (73bhp at 5300rpm from late 1979) |
| Maximum torque | 87 lb ft (12kgm) at 2700rpm (86lb ft (11.9kgm) from late 1979) |
| Transmission | Four speed manual gearbox, fully synchronised. Optional three speed automatic, optional five speed manual from 1983 |
| Gear Ratios 1978-83 | 4th 1.00, 3rd 1.37, 2nd 1.97, 1st 3.65, rev 3.16 |
| Gear Ratios 1983-86 | 5th 0.825, 4th 1.00, 3rd 1.1.37, 2nd 1.97, 1st 3.65, rev 3.16 |
|
| Final drive | 3.770 |
| Top gear speed | 17.8mph (28.6kmh) per 1000rpm |
| Brakes | Front disc / rear drum, servo assisted |
| Wheels / Tyres | Sports wheels and 185/70 13 tyres on LS/Laser, 5.5in wheels on GL from 1980 |
| Length | 172.8in (4376mm) |
| Wheelbase | 100.9in (2563mm) |
| Width | 66.9in (1698mm) |
| Height | 51.2in (1323mm) |
| Front Track | 53.3in (1353mm) |
| Rear Track | 54.5in (1384mm) |
| Unladen weight | 2293lb (1040kg) |
| Top speed | 98 mph (157kph) |
| 0-60mph | 13.5 secs |
|